Implement wall deletion
Implement wall deletion

gvsi/LibraryMapping,gvsi/LibraryMapping,charlotteyizhang/LibraryMapping,charlotteyizhang/LibraryMapping,gvsi/LibraryMapping,UoEMainLibrary/LibraryMapping,charlotteyizhang/LibraryMapping,UoEMainLibrary/LibraryMapping,UoEMainLibrary/LibraryMapping